topic
nounUK /ˈtɒpɪk/
US /ˈtɑːpɪk/
A topic is the thing you are talking or writing about.
The topic of our class today is animals.
RELATED WORDS
OTHER MEANINGS
2. A subject people talk about a lot at a certain time.
The weather is a popular topic right now.
3. The main idea of a book, speech, or report.
The topic of her report was saving water.
4. A small part of a bigger subject that you study.
We learned three topics in math this week.